Home / 2,948,395.32-4,422,617.55-818,645.49

Finding the Fourth Proportional to 2,948,395.32, 4,422,617.55 and 818,645.49

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Solution

The fourth proportional to 2,948,395.32, 4,422,617.55 and 818,645.49 is: 1,227,975.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948,395.32 : 4,422,617.55 = 818,645.49 : x
  2. Step 2: Convert to fraction form
    2,948,395.32/4,422,617.55 = 818,645.49/x
  3. Step 3: Cross multiply
    2,948,395.32x = 4,422,617.55 × 818,645.49
  4. Step 4: Simplify right side
    2,948,395.32x = 3,620,555,911,302.35
  5. Step 5: Solve for x
    x = 3,620,555,911,302.35/2,948,395.32
  6. Step 6: Final answer
    x = 1,227,975.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.